IndraLab

Statements


8 | 9 7

sparser
"Consistently, Otub1 interacts with UbcH5."

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sparser
"Importantly, Asp88 was found to be the key residue mediating OTUB1 interaction with UbcH5, since mutation of this residue into alanine prevented their binding and abolished OTUB1 effect on p53 xref ."

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sparser
"In addition, OTUB1-C23-SSG or C204-SSG could realign the OTUB1-bound UBCH5 and free Ub, into a configuration that increases the potency of OTUB1-mediated inhibition of ubiquitination."

reach
"Instead, OTUB1 binds and inhibits UbcH5 (UBE2D family), the cognate E2 for MDM2 which is a key E3 ligase for P53."

sparser
"Furthermore, proteomic analyses indicated that OTUB1 binds to E2s of the UBE2D and UBE2E families including the E2 UbcH5 ( xref ; xref )."

reach
"To see if differences in relative stimulation of DUB activity can be attributed to variations in binding affinities, we determined equilibrium dissociation constants (K d) for OTUB1 binding to UBE2D1, UBE2D2, UBE2D3, UBE2N, and UBE2E1 using isothermal titration calorimetry (ITC)."

sparser
"This unusual mode of regulation is unlikely to be limited to UBC13 because analysis of OTUB1-associated proteins revealed that OTUB1 binds to E2s of the UBE2D and UBE2E subfamilies."

sparser
"Further, UbcH5 in turn mediates Otub1 monoubiquitination and this monoubiquitination facilitates the Otub1 binding to UbcH5 and likely inhibits ubiquitin chain transfer [ xref ], providing a mechanism underlying the Otub1 inhibition of E2 activity."

reach
"Moreover, we demonstrated the endogenous interactions between OTUB1 and UBE2N or UBE2D1 (XREF_FIG)."

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reach
"Consistently, Otub1 interacts with UbcH5."

No evidence text available

reach
"Further, UbcH5 in turn mediates Otub1 monoubiquitination and this monoubiquitination facilitates the Otub1 binding to UbcH5 and likely inhibits ubiquitin chain transfer [XREF_BIBR], providing a mechanism underlying the Otub1 inhibition of E2 activity."

sparser
"Instead, OTUB1 binds and inhibits UbcH5 (UBE2D family), the cognate E2 for MDM2 which is a key E3 ligase for P53."

reach
"To address this possible scenario, we determined whether OTUB1-SSG affected the interaction between OTUB1 and UBCH5A that requires the N-terminal region containing C23 (43)."

reach
"To understand how S-glutathionylation affects the OTUB1-UBCH5A complex, we created three different in silico models of OTUB1 in conjunction with Ub-charged UBCH5A and free Ub."

reach
"GLRX also decreases the interaction between OTUB1 and UBCH5A (Fig. 7D)."

No evidence text available

reach
"In addition, OTUB1-C23-SSG or C204-SSG could realign the OTUB1-bound UBCH5 and free Ub, into a configuration that increases the potency of OTUB1-mediated inhibition of ubiquitination."